Effects of Linear Perspective on Human Use of Preview in Manual Control
Kasper van der El (TU Delft - Aerospace Engineering)
Daan M. Pool (TU Delft - Aerospace Engineering)
Marinus M. van Paassen (TU Delft - Aerospace Engineering)
Max Mulder (TU Delft - Aerospace Engineering)
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Abstract
Due to linear perspective, the visual stimulus provided by a previewed reference trajectory reduces with increasing distance ahead. This paper investigates the effects of linear perspective on human use of preview in manual control tasks. Results of a human-in-the-loop tracking experiment are presented, where the linear perspective's horizontal and vertical deformations along the previewed trajectory were applied separately and combined, or were absent (plan-view task). Measurements are analyzed with both nonparametric and parametric system identification techniques, in combination with a quasi-linear human controller model for plan-view preview tracking tasks. Results show that reduced visual stimuli in perspective tasks evoke less aggressive control behavior, but that the human's underlying control mechanisms are still accurately captured by the model. We conclude that human controllers use preview information similar in plan-view and perspective tasks.